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Finding the Fourth Proportional to 64,261.66, 96,392.50 and 17,521.42

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Solution

The fourth proportional to 64,261.66, 96,392.50 and 17,521.42 is: 26,282.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,261.66 : 96,392.50 = 17,521.42 : x
  2. Step 2: Convert to fraction form
    64,261.66/96,392.50 = 17,521.42/x
  3. Step 3: Cross multiply
    64,261.66x = 96,392.50 × 17,521.42
  4. Step 4: Simplify right side
    64,261.66x = 1,688,933,477.35
  5. Step 5: Solve for x
    x = 1,688,933,477.35/64,261.66
  6. Step 6: Final answer
    x = 26,282.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.